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Google ReCaptcha, a Captcha web service, is used to validate new users on your user registration page.
Get a ReCaptcha key
- Navigate to www.google.com/recaptcha.
- Click Get ReCaptcha.
- Enter a label for the site.
- Enter the domain(s).
- If desired to receive alerts about the site, select the Get alerts about this site check box.
- Enter the owners of the site in the Owners check box.
- Click Register and follow the on-screen instructions to create an account, enabling the key on all domains.
- Copy the site and secret keys to a different location.
Install and configure the ReCaptcha plugin
- Mouse over Management.
- Click Administration.
- Navigate to Translations > Translatables > ReCaptcha Support.
- Click the Enabled check box.
- Public key - Fill in the site key in the public key field from your ReCaptcha key page.
- Private key - Fill in the secret key in the Private key field from your ReCaptcha key page.
- ReCaptcha theme - Select a ReCaptcha theme in the drop-down list.
- Click Save.
- Select the ReCaptcha support check box.
- Click Save on the Manage Plugins page.
Set up the User - Login and Create widget to user ReCaptcha
- Navigate to the site home page (or profile page) to edit the site theme.
- Mouse over Management.
- Click Manage site theme.
- Click Manage pages.
- Search for the User Registration page.
- Click Edit Layout.
- Locate the User - Login and Create widget.
- Click Configure on the widget.
- In the Mode drop-down list, select Create User.
- Select the Enable Captcha on create user check box.
- (Select any other fields you wish to add to the user creation.)
- Click Save on the widget configuration dialog box.
- Click Save Page. When a new user registers in the community, he/she sees ReCaptcha on the registration form.